Causes | Number of cases (n) | Percentage (%) |
Femoral neck fracture | 76 | 78 |
Garden IV | 60 | - |
Garden III | 13 | - |
Garden II | 3 | - |
Aseptic osteonecrosis of the femoral head | 14 | 15 |
Coxarthrosis | 7 | 7 |
Total | 97 | 100 |